Answer:
<em><u>Not sharing water bottles </u></em>
Explanation:
Assuming what you mean by cold sores is herpes, it will defiantly be not sharing water bottles.
The biggest benefit of assertiveness is the feeling of living one’s own life.The second benefit,is y<span>our chances of getting what you want out of life greatly improve if you can let others know what you want and need, as well as how you feel.
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6. Meiosis
10. Ovulation {?}
12. Cell
13. Penis
Hope that helped
B makes the most sense to me so I would go with that